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00087 #ifndef __UTF_H__
00088 #define __UTF_H__
00089
00090
00091
00092
00093
00094 #include <stddef.h>
00095 #include "unicode/umachine.h"
00096
00097
00098
00099 #ifndef UTF_SIZE
00100
00101 # define UTF_SIZE 16
00102 #endif
00103
00105 #define U_SIZEOF_UCHAR (UTF_SIZE>>3)
00106
00111 #ifndef U_HAVE_WCHAR_H
00112 # define U_HAVE_WCHAR_H 1
00113 #endif
00114
00115
00116 #if U_SIZEOF_WCHAR_T==0
00117 # undef U_SIZEOF_WCHAR_T
00118 # define U_SIZEOF_WCHAR_T 4
00119 #endif
00120
00129 #if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
00130 # ifdef __STDC_ISO_10646__
00131 # if (U_SIZEOF_WCHAR_T==2)
00132 # define U_WCHAR_IS_UTF16
00133 # elif (U_SIZEOF_WCHAR_T==4)
00134 # define U_WCHAR_IS_UTF32
00135 # endif
00136 # elif defined __UCS2__
00137 # if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
00138 # define U_WCHAR_IS_UTF16
00139 # endif
00140 # elif defined __UCS4__
00141 # if (U_SIZEOF_WCHAR_T==4)
00142 # define U_WCHAR_IS_UTF32
00143 # endif
00144 # elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
00145 # define U_WCHAR_IS_UTF16
00146 # endif
00147 #endif
00148
00154 #if U_SIZEOF_WCHAR_T==4
00155 typedef wchar_t UChar32;
00156 #else
00157 typedef uint32_t UChar32;
00158 #endif
00159
00167 typedef int32_t UTextOffset;
00168
00169
00170 #if !defined(UTF_SAFE) && !defined(UTF_STRICT) && !defined(UTF_UNSAFE)
00171
00175 # define UTF_SAFE
00176 #endif
00177
00178
00179
00192 #define UTF8_ERROR_VALUE_1 0x15
00193 #define UTF8_ERROR_VALUE_2 0x9f
00194
00199 #define UTF_ERROR_VALUE 0xffff
00200
00201
00202
00204 #define UTF_IS_SURROGATE(uchar) (((uchar)&0xfffff800)==0xd800)
00205
00209 #define UTF_IS_UNICODE_NONCHAR(c) \
00210 (((((c) & 0xfffe) == 0xfffe) || ((c) >= 0xfdd0 && (c) <= 0xfdef)) && \
00211 ((c) <= 0x10ffff))
00212
00226 #define UTF_IS_UNICODE_CHAR(c) \
00227 ((uint32_t)(c)<0xd800 || \
00228 ((uint32_t)(c)>0xdfff && \
00229 (uint32_t)(c)<=0x10ffff && \
00230 !UTF_IS_UNICODE_NONCHAR(c)))
00231
00236 #define UTF_IS_ERROR(c) \
00237 (((c)&0xfffe)==0xfffe || (c)==UTF8_ERROR_VALUE_1 || (c)==UTF8_ERROR_VALUE_2)
00238
00240 #define UTF_IS_VALID(c) \
00241 (UTF_IS_UNICODE_CHAR(c) && \
00242 (c)!=UTF8_ERROR_VALUE_1 && (c)!=UTF8_ERROR_VALUE_2)
00243
00244
00245
00246 #include "unicode/utf8.h"
00247 #include "unicode/utf16.h"
00248 #include "unicode/utf32.h"
00249
00250
00251
00258 #if UTF_SIZE==8
00259
00260 # error UTF-8 is not implemented, undefine UTF_SIZE or define it to 16
00261
00262
00263
00264
00265
00266 # include <limits.h>
00267
00268
00269 # if CHAR_MAX>=255
00270 typedef char UChar;
00271 # else
00272 typedef uint8_t UChar;
00273 # endif
00274
00275 #elif UTF_SIZE==16
00276
00277
00278 # if U_SIZEOF_WCHAR_T==2
00279 typedef wchar_t UChar;
00280 # else
00281 typedef uint16_t UChar;
00282 # endif
00283
00285 # define UTF_IS_SINGLE(uchar) UTF16_IS_SINGLE(uchar)
00286
00287 # define UTF_IS_LEAD(uchar) UTF16_IS_LEAD(uchar)
00288
00289 # define UTF_IS_TRAIL(uchar) UTF16_IS_TRAIL(uchar)
00290
00292 # define UTF_NEED_MULTIPLE_UCHAR(c) UTF16_NEED_MULTIPLE_UCHAR(c)
00293
00294 # define UTF_CHAR_LENGTH(c) UTF16_CHAR_LENGTH(c)
00295
00296 # define UTF_MAX_CHAR_LENGTH UTF16_MAX_CHAR_LENGTH
00297
00298 # define UTF_ARRAY_SIZE(size) UTF16_ARRAY_SIZE(size)
00299
00301 # define UTF_GET_CHAR_UNSAFE(s, i, c) UTF16_GET_CHAR_UNSAFE(s, i, c)
00302
00303 # define UTF_GET_CHAR_SAFE(s, start, i, length, c, strict) UTF16_GET_CHAR_SAFE(s, start, i, length, c, strict)
00304
00306 # define UTF_NEXT_CHAR_UNSAFE(s, i, c) UTF16_NEXT_CHAR_UNSAFE(s, i, c)
00307
00308 # define UTF_NEXT_CHAR_SAFE(s, i, length, c, strict) UTF16_NEXT_CHAR_SAFE(s, i, length, c, strict)
00309
00311 # define UTF_APPEND_CHAR_UNSAFE(s, i, c) UTF16_APPEND_CHAR_UNSAFE(s, i, c)
00312
00313 # define UTF_APPEND_CHAR_SAFE(s, i, length, c) UTF16_APPEND_CHAR_SAFE(s, i, length, c)
00314
00316 # define UTF_FWD_1_UNSAFE(s, i) UTF16_FWD_1_UNSAFE(s, i)
00317
00318 # define UTF_FWD_1_SAFE(s, i, length) UTF16_FWD_1_SAFE(s, i, length)
00319
00321 # define UTF_FWD_N_UNSAFE(s, i, n) UTF16_FWD_N_UNSAFE(s, i, n)
00322
00323 # define UTF_FWD_N_SAFE(s, i, length, n) UTF16_FWD_N_SAFE(s, i, length, n)
00324
00326 # define UTF_SET_CHAR_START_UNSAFE(s, i) UTF16_SET_CHAR_START_UNSAFE(s, i)
00327
00328 # define UTF_SET_CHAR_START_SAFE(s, start, i) UTF16_SET_CHAR_START_SAFE(s, start, i)
00329
00331 # define UTF_PREV_CHAR_UNSAFE(s, i, c) UTF16_PREV_CHAR_UNSAFE(s, i, c)
00332
00333 # define UTF_PREV_CHAR_SAFE(s, start, i, c, strict) UTF16_PREV_CHAR_SAFE(s, start, i, c, strict)
00334
00336 # define UTF_BACK_1_UNSAFE(s, i) UTF16_BACK_1_UNSAFE(s, i)
00337
00338 # define UTF_BACK_1_SAFE(s, start, i) UTF16_BACK_1_SAFE(s, start, i)
00339
00341 # define UTF_BACK_N_UNSAFE(s, i, n) UTF16_BACK_N_UNSAFE(s, i, n)
00342
00343 # define UTF_BACK_N_SAFE(s, start, i, n) UTF16_BACK_N_SAFE(s, start, i, n)
00344
00346 # define UTF_SET_CHAR_LIMIT_UNSAFE(s, i) UTF16_SET_CHAR_LIMIT_UNSAFE(s, i)
00347
00348 # define UTF_SET_CHAR_LIMIT_SAFE(s, start, i, length) UTF16_SET_CHAR_LIMIT_SAFE(s, start, i, length)
00349
00350 #elif UTF_SIZE==32
00351
00352 # error UTF-32 is not implemented, undefine UTF_SIZE or define it to 16
00353
00354 typedef UChar32 UChar;
00355
00356 #else
00357 # error UTF_SIZE must be undefined or one of { 8, 16, 32 } - only 16 is implemented
00358 #endif
00359
00360
00361
00469 #ifdef UTF_SAFE
00470
00471 # define UTF_GET_CHAR(s, start, i, length, c) UTF_GET_CHAR_SAFE(s, start, i, length, c, FALSE)
00472
00473 # define UTF_NEXT_CHAR(s, i, length, c) UTF_NEXT_CHAR_SAFE(s, i, length, c, FALSE)
00474 # define UTF_APPEND_CHAR(s, i, length, c) UTF_APPEND_CHAR_SAFE(s, i, length, c)
00475 # define UTF_FWD_1(s, i, length) UTF_FWD_1_SAFE(s, i, length)
00476 # define UTF_FWD_N(s, i, length, n) UTF_FWD_N_SAFE(s, i, length, n)
00477 # define UTF_SET_CHAR_START(s, start, i) UTF_SET_CHAR_START_SAFE(s, start, i)
00478
00479 # define UTF_PREV_CHAR(s, start, i, c) UTF_PREV_CHAR_SAFE(s, start, i, c, FALSE)
00480 # define UTF_BACK_1(s, start, i) UTF_BACK_1_SAFE(s, start, i)
00481 # define UTF_BACK_N(s, start, i, n) UTF_BACK_N_SAFE(s, start, i, n)
00482 # define UTF_SET_CHAR_LIMIT(s, start, i, length) UTF_SET_CHAR_LIMIT_SAFE(s, start, i, length)
00483
00484 #elif defined(UTF_STRICT)
00485
00486 # define UTF_GET_CHAR(s, start, i, length, c) UTF_GET_CHAR_SAFE(s, start, i, length, c, TRUE)
00487
00488 # define UTF_NEXT_CHAR(s, i, length, c) UTF_NEXT_CHAR_SAFE(s, i, length, c, TRUE)
00489 # define UTF_APPEND_CHAR(s, i, length, c) UTF_APPEND_CHAR_SAFE(s, i, length, c)
00490 # define UTF_FWD_1(s, i, length) UTF_FWD_1_SAFE(s, i, length)
00491 # define UTF_FWD_N(s, i, length, n) UTF_FWD_N_SAFE(s, i, length, n)
00492 # define UTF_SET_CHAR_START(s, start, i) UTF_SET_CHAR_START_SAFE(s, start, i)
00493
00494 # define UTF_PREV_CHAR(s, start, i, c) UTF_PREV_CHAR_SAFE(s, start, i, c, TRUE)
00495 # define UTF_BACK_1(s, start, i) UTF_BACK_1_SAFE(s, start, i)
00496 # define UTF_BACK_N(s, start, i, n) UTF_BACK_N_SAFE(s, start, i, n)
00497 # define UTF_SET_CHAR_LIMIT(s, start, i, length) UTF_SET_CHAR_LIMIT_SAFE(s, start, i, length)
00498
00499 #else
00500
00501 # define UTF_GET_CHAR(s, start, i, length, c) UTF_GET_CHAR_UNSAFE(s, i, c)
00502
00503 # define UTF_NEXT_CHAR(s, i, length, c) UTF_NEXT_CHAR_UNSAFE(s, i, c)
00504 # define UTF_APPEND_CHAR(s, i, length, c) UTF_APPEND_CHAR_UNSAFE(s, i, c)
00505 # define UTF_FWD_1(s, i, length) UTF_FWD_1_UNSAFE(s, i)
00506 # define UTF_FWD_N(s, i, length, n) UTF_FWD_N_UNSAFE(s, i, n)
00507 # define UTF_SET_CHAR_START(s, start, i) UTF_SET_CHAR_START_UNSAFE(s, i)
00508
00509 # define UTF_PREV_CHAR(s, start, i, c) UTF_PREV_CHAR_UNSAFE(s, i, c)
00510 # define UTF_BACK_1(s, start, i) UTF_BACK_1_UNSAFE(s, i)
00511 # define UTF_BACK_N(s, start, i, n) UTF_BACK_N_UNSAFE(s, i, n)
00512 # define UTF_SET_CHAR_LIMIT(s, start, i, length) UTF_SET_CHAR_LIMIT_UNSAFE(s, i)
00513
00514 #endif
00515
00516 #endif